Commodity plastics
Inexpensive plastics with weak mechanical properties / From Wikipedia, the free encyclopedia
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Commodity plastics or commodity polymers are plastics produced in high volumes for applications where exceptional material properties are not needed[according to whom?] (such as packaging, food containers, and household products). In contrast to engineering plastics, commodity plastics tend to be inexpensive to produce and exhibit relatively weak mechanical properties. Some examples of commodity plastics are polyethylene, polypropylene, polystyrene, polyvinyl chloride, and poly(methyl methacrylate) .[2] Globally, the most widely used thermoplastics include both polypropylene and polyethylene.[3] Products made from commodity plastics include disposable plates, disposable cups, photographic and magnetic tape, clothing, reusable bags, medical trays, and seeding trays.[4]